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Welcome to the GNU Backgammon web site

Welcome to the GNU Backgammon web site. This site will help you
download and install GNU Backgammon, and give you tips on how to use
GNU Backgammon to improve your game. GNU Backgammon is a world class
backgammon application, and it works on many operating systems. It can
play, analyse and teach backgammon. Its evaluation engine is based on
artificial neural networks. Read more in the about
section.

Downloading and installing GNU Backgammon

You can get GNU Backgammon precompiled binaries for several systems. Thanks to our downstream maintainers - GNU Backgammon 1.03 is also available on a variety of the latest GNU/Linux based distributions including Debian, Arch, Ubuntu, OpenSUSE, Mageai, and Fedora. If you can't find packages for your distribution you can build from the sources available through CVS or a tarball.
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About GNU Backgammon

GNU Backgammon (gnubg) is for playing and analysing backgammon positions, games and matches. It's based on a neural network. In the past twelve months it has made enormous progress. It currently plays at about the level of a championship flight tournament player. Depending on its parameters and its luck in recent games, it rates from around 1900 to 2000 on FIBS, the First Internet Backgammon Server -- at its strongest, it ranks in the top 5 of over 6000 rated players there) and is gradually improving; it should be somewhat stronger than this when released. Since almost all of the CPU time required during supervised training is spent performing rollouts, and rollouts can easily be performed in parallel, it is hoped that users will be able to pool rollout results and collectively train it to a level stronger than any individual could obtain.
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